Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-23 12:42:02 +00:00
Code Issues Packages Projects Releases Wiki Activity

gpio: em: Fix checking return value of irq_alloc_descs

Browse Source 
irq_alloc_descs() returns negative error code on failure.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Axel Lin 2012-08-28 19:30:44 +08:00 committed by Linus Walleij
parent 4c30aa33d4
commit dd2914972e
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gpio/gpio-em.c
View File

@ -247,9 +247,9 @@ static int __devinit em_gio_irq_domain_init(struct em_gio_priv *p)
p->irq_base = irq_alloc_descs(pdata->irq_base, 0,
pdata->number_of_pins, numa_node_id());
if (IS_ERR_VALUE(p->irq_base)) {
if (p->irq_base < 0) {
dev_err(&pdev->dev, "cannot get irq_desc\n");
return -ENXIO;
return p->irq_base;
}
pr_debug("gio: hw base = %d, nr = %d, sw base = %d\n",
pdata->gpio_base, pdata->number_of_pins, p->irq_base);